[Urinary tract hemangiopericytoma treated with radical surgery and neoadjuvant chemotherapy. Report of two cases.].

Objective: Hemangiopericytoma is a tumor of vascular origin. It is very rare in the prostate. They are generally aggressive tumors.

[Report of two cases of malignant mesothelioma of the tunica vaginalis.].

Objective: Paratesticular mesothelioma isan infrequent tumor and only 250 cases have been published.It originates in the scrotal tunica vaginalis. It represents0.

[Mid-term safety and efficacy of high power thulium laser vaporization.].

Objective: Thulium laser vaporization of the prostate (TL-PVP) has been performed for almost 10 years. However, there are very few studies focused on high power (150 W) applications. Published sources have short follow-up periods, few cases and small prostatic volumes.

[Influence of learning curve in the diagnosis of prostate cancer by ultrasound guided biopsy].

Objective: To analyze if there is a learning curve to get to perform high quality ultrasound guided prostate biopsies that enable to effectively perform the diagnosis of prostate cancer, taking the pathological result of the samples into consideration.

Methods: We retrospectively reviewed data from 790 ultrasound-guided biopsies performed consecutively in our center between May 2009 and December 2012 by four surgeons. We reviewed the following data: Surgeon, date of intervention, patient age, PSA, rectal digital examination (DRE), ultrasound, prostate volume, number of cores obtained, pathology result of the biopsy.